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common: add arm64 native clock

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This commit is contained in:
Liam 2023-10-08 11:32:32 -04:00
parent bd42bba71c
commit 21bc2c14bc
4 changed files with 134 additions and 1 deletions
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8
src/common/wall_clock.cpp
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@ -10,6 +10,10 @@
#include "common/x64/rdtsc.h"
#endif
#if defined(ARCHITECTURE_arm64) && defined(__linux__)
#include "common/arm64/native_clock.h"
#endif
namespace Common {
class StandardWallClock final : public WallClock {
@ -53,7 +57,7 @@ private:
};
std::unique_ptr<WallClock> CreateOptimalClock() {
#ifdef ARCHITECTURE_x86_64
#if defined(ARCHITECTURE_x86_64)
const auto& caps = GetCPUCaps();
if (caps.invariant_tsc && caps.tsc_frequency >= std::nano::den) {
@ -64,6 +68,8 @@ std::unique_ptr<WallClock> CreateOptimalClock() {
// - Is not more precise than 1 GHz (1ns resolution)
return std::make_unique<StandardWallClock>();
}
#elif defined(ARCHITECTURE_arm64) && defined(__linux__)
return std::make_unique<Arm64::NativeClock>();
#else
return std::make_unique<StandardWallClock>();
#endif